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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * contributor license agreements.  See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * the License.  You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">package</strong> org.apache.commons.configuration;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.Arrays;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.HashSet;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="26" href="#26">26</a>  
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> javax.naming.Context;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> javax.naming.InitialContext;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> javax.naming.NameClassPair;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> javax.naming.NameNotFoundException;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> javax.naming.NamingEnumeration;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> javax.naming.NamingException;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> javax.naming.NotContextException;
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.lang.StringUtils;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a class="jxr_linenumber" name="37" href="#37">37</a>  
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * This Configuration class allows you to interface with a JNDI datasource.</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * A JNDIConfiguration is read-only, write operations will throw an</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * UnsupportedOperationException. The clear operations are supported but the</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * underlying JNDI data source is not changed.</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:epugh@upstate.com" target="alexandria_uri">mailto:epugh@upstate.com</a>"&gt;Eric Pugh&lt;/a&gt;</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * @version $Id: JNDIConfiguration.java 1234985 2012-01-23 21:09:09Z oheger $</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/commons/configuration/JNDIConfiguration.html">JNDIConfiguration</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/commons/configuration/AbstractConfiguration.html">AbstractConfiguration</a>
<a class="jxr_linenumber" name="48" href="#48">48</a>  {
<a class="jxr_linenumber" name="49" href="#49">49</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The prefix of the context. */</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>      <strong class="jxr_keyword">private</strong> String prefix;
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The initial JNDI context. */</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>      <strong class="jxr_keyword">private</strong> Context context;
<a class="jxr_linenumber" name="54" href="#54">54</a>  
<a class="jxr_linenumber" name="55" href="#55">55</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The base JNDI context. */</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>      <strong class="jxr_keyword">private</strong> Context baseContext;
<a class="jxr_linenumber" name="57" href="#57">57</a>  
<a class="jxr_linenumber" name="58" href="#58">58</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The Set of keys that have been virtually cleared. */</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>      <strong class="jxr_keyword">private</strong> Set&lt;String&gt; clearedProperties = <strong class="jxr_keyword">new</strong> HashSet&lt;String&gt;();
<a class="jxr_linenumber" name="60" href="#60">60</a>  
<a class="jxr_linenumber" name="61" href="#61">61</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     * Creates a JNDIConfiguration using the default initial context as the</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment">     * root of the properties.</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">     * @throws NamingException thrown if an error occurs when initializing the default context</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/JNDIConfiguration.html">JNDIConfiguration</a>() <strong class="jxr_keyword">throws</strong> NamingException
<a class="jxr_linenumber" name="68" href="#68">68</a>      {
<a class="jxr_linenumber" name="69" href="#69">69</a>          <strong class="jxr_keyword">this</strong>((String) <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="70" href="#70">70</a>      }
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * Creates a JNDIConfiguration using the default initial context, shifted</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * with the specified prefix, as the root of the properties.</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment">     * @param prefix the prefix</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">     * @throws NamingException thrown if an error occurs when initializing the default context</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/JNDIConfiguration.html">JNDIConfiguration</a>(String prefix) <strong class="jxr_keyword">throws</strong> NamingException
<a class="jxr_linenumber" name="81" href="#81">81</a>      {
<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> InitialContext(), prefix);
<a class="jxr_linenumber" name="83" href="#83">83</a>      }
<a class="jxr_linenumber" name="84" href="#84">84</a>  
<a class="jxr_linenumber" name="85" href="#85">85</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * Creates a JNDIConfiguration using the specified initial context as the</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     * root of the properties.</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     * @param context the initial context</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/JNDIConfiguration.html">JNDIConfiguration</a>(Context context)
<a class="jxr_linenumber" name="92" href="#92">92</a>      {
<a class="jxr_linenumber" name="93" href="#93">93</a>          <strong class="jxr_keyword">this</strong>(context, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="94" href="#94">94</a>      }
<a class="jxr_linenumber" name="95" href="#95">95</a>  
<a class="jxr_linenumber" name="96" href="#96">96</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment">     * Creates a JNDIConfiguration using the specified initial context shifted</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment">     * by the specified prefix as the root of the properties.</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">     * @param context the initial context</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment">     * @param prefix the prefix</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/commons/configuration/JNDIConfiguration.html">JNDIConfiguration</a>(Context context, String prefix)
<a class="jxr_linenumber" name="104" href="#104">104</a>     {
<a class="jxr_linenumber" name="105" href="#105">105</a>         <strong class="jxr_keyword">this</strong>.context = context;
<a class="jxr_linenumber" name="106" href="#106">106</a>         <strong class="jxr_keyword">this</strong>.prefix = prefix;
<a class="jxr_linenumber" name="107" href="#107">107</a>         setLogger(LogFactory.getLog(getClass()));
<a class="jxr_linenumber" name="108" href="#108">108</a>         addErrorLogListener();
<a class="jxr_linenumber" name="109" href="#109">109</a>     }
<a class="jxr_linenumber" name="110" href="#110">110</a> 
<a class="jxr_linenumber" name="111" href="#111">111</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * This method recursive traverse the JNDI tree, looking for Context objects.</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * When it finds them, it traverses them as well.  Otherwise it just adds the</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * values to the list of keys found.</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     * @param keys All the keys that have been found.</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment">     * @param context The parent context</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">     * @param prefix What prefix we are building on.</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">     * @param processedCtx a set with the so far processed objects</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">     * @throws NamingException If JNDI has an issue.</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="122" href="#122">122</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> recursiveGetKeys(Set&lt;String&gt; keys, Context context, String prefix,
<a class="jxr_linenumber" name="123" href="#123">123</a>             Set&lt;Context&gt; processedCtx) <strong class="jxr_keyword">throws</strong> NamingException
<a class="jxr_linenumber" name="124" href="#124">124</a>     {
<a class="jxr_linenumber" name="125" href="#125">125</a>         processedCtx.add(context);
<a class="jxr_linenumber" name="126" href="#126">126</a>         NamingEnumeration&lt;NameClassPair&gt; elements = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="129" href="#129">129</a>         {
<a class="jxr_linenumber" name="130" href="#130">130</a>             elements = context.list(<span class="jxr_string">""</span>);
<a class="jxr_linenumber" name="131" href="#131">131</a> 
<a class="jxr_linenumber" name="132" href="#132">132</a>             <em class="jxr_comment">// iterates through the context's elements</em>
<a class="jxr_linenumber" name="133" href="#133">133</a>             <strong class="jxr_keyword">while</strong> (elements.hasMore())
<a class="jxr_linenumber" name="134" href="#134">134</a>             {
<a class="jxr_linenumber" name="135" href="#135">135</a>                 NameClassPair nameClassPair = elements.next();
<a class="jxr_linenumber" name="136" href="#136">136</a>                 String name = nameClassPair.getName();
<a class="jxr_linenumber" name="137" href="#137">137</a>                 Object object = context.lookup(name);
<a class="jxr_linenumber" name="138" href="#138">138</a> 
<a class="jxr_linenumber" name="139" href="#139">139</a>                 <em class="jxr_comment">// build the key</em>
<a class="jxr_linenumber" name="140" href="#140">140</a>                 StringBuilder key = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="141" href="#141">141</a>                 key.append(prefix);
<a class="jxr_linenumber" name="142" href="#142">142</a>                 <strong class="jxr_keyword">if</strong> (key.length() &gt; 0)
<a class="jxr_linenumber" name="143" href="#143">143</a>                 {
<a class="jxr_linenumber" name="144" href="#144">144</a>                     key.append(<span class="jxr_string">"."</span>);
<a class="jxr_linenumber" name="145" href="#145">145</a>                 }
<a class="jxr_linenumber" name="146" href="#146">146</a>                 key.append(name);
<a class="jxr_linenumber" name="147" href="#147">147</a> 
<a class="jxr_linenumber" name="148" href="#148">148</a>                 <strong class="jxr_keyword">if</strong> (object instanceof Context)
<a class="jxr_linenumber" name="149" href="#149">149</a>                 {
<a class="jxr_linenumber" name="150" href="#150">150</a>                     <em class="jxr_comment">// add the keys of the sub context</em>
<a class="jxr_linenumber" name="151" href="#151">151</a>                     Context subcontext = (Context) object;
<a class="jxr_linenumber" name="152" href="#152">152</a>                     <strong class="jxr_keyword">if</strong> (!processedCtx.contains(subcontext))
<a class="jxr_linenumber" name="153" href="#153">153</a>                     {
<a class="jxr_linenumber" name="154" href="#154">154</a>                         recursiveGetKeys(keys, subcontext, key.toString(),
<a class="jxr_linenumber" name="155" href="#155">155</a>                                 processedCtx);
<a class="jxr_linenumber" name="156" href="#156">156</a>                     }
<a class="jxr_linenumber" name="157" href="#157">157</a>                 }
<a class="jxr_linenumber" name="158" href="#158">158</a>                 <strong class="jxr_keyword">else</strong>
<a class="jxr_linenumber" name="159" href="#159">159</a>                 {
<a class="jxr_linenumber" name="160" href="#160">160</a>                     <em class="jxr_comment">// add the key</em>
<a class="jxr_linenumber" name="161" href="#161">161</a>                     keys.add(key.toString());
<a class="jxr_linenumber" name="162" href="#162">162</a>                 }
<a class="jxr_linenumber" name="163" href="#163">163</a>             }
<a class="jxr_linenumber" name="164" href="#164">164</a>         }
<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">finally</strong>
<a class="jxr_linenumber" name="166" href="#166">166</a>         {
<a class="jxr_linenumber" name="167" href="#167">167</a>             <em class="jxr_comment">// close the enumeration</em>
<a class="jxr_linenumber" name="168" href="#168">168</a>             <strong class="jxr_keyword">if</strong> (elements != <strong class="jxr_keyword">null</strong>)
<a class="jxr_linenumber" name="169" href="#169">169</a>             {
<a class="jxr_linenumber" name="170" href="#170">170</a>                 elements.close();
<a class="jxr_linenumber" name="171" href="#171">171</a>             }
<a class="jxr_linenumber" name="172" href="#172">172</a>         }
<a class="jxr_linenumber" name="173" href="#173">173</a>     }
<a class="jxr_linenumber" name="174" href="#174">174</a> 
<a class="jxr_linenumber" name="175" href="#175">175</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment">     * Returns an iterator with all property keys stored in this configuration.</em>
<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">     * @return an iterator with all keys</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="180" href="#180">180</a>     <strong class="jxr_keyword">public</strong> Iterator&lt;String&gt; getKeys()
<a class="jxr_linenumber" name="181" href="#181">181</a>     {
<a class="jxr_linenumber" name="182" href="#182">182</a>         <strong class="jxr_keyword">return</strong> getKeys(<span class="jxr_string">""</span>);
<a class="jxr_linenumber" name="183" href="#183">183</a>     }
<a class="jxr_linenumber" name="184" href="#184">184</a> 
<a class="jxr_linenumber" name="185" href="#185">185</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment">     * Returns an iterator with all property keys starting with the given</em>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment">     * prefix.</em>
<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment">     * @param prefix the prefix</em>
<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">     * @return an iterator with the selected keys</em>
<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="192" href="#192">192</a>     @Override
<a class="jxr_linenumber" name="193" href="#193">193</a>     <strong class="jxr_keyword">public</strong> Iterator&lt;String&gt; getKeys(String prefix)
<a class="jxr_linenumber" name="194" href="#194">194</a>     {
<a class="jxr_linenumber" name="195" href="#195">195</a>         <em class="jxr_comment">// build the path</em>
<a class="jxr_linenumber" name="196" href="#196">196</a>         String[] splitPath = StringUtils.split(prefix, <span class="jxr_string">"."</span>);
<a class="jxr_linenumber" name="197" href="#197">197</a> 
<a class="jxr_linenumber" name="198" href="#198">198</a>         List&lt;String&gt; path = Arrays.asList(splitPath);
<a class="jxr_linenumber" name="199" href="#199">199</a> 
<a class="jxr_linenumber" name="200" href="#200">200</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="201" href="#201">201</a>         {
<a class="jxr_linenumber" name="202" href="#202">202</a>             <em class="jxr_comment">// find the context matching the specified path</em>
<a class="jxr_linenumber" name="203" href="#203">203</a>             Context context = getContext(path, getBaseContext());
<a class="jxr_linenumber" name="204" href="#204">204</a> 
<a class="jxr_linenumber" name="205" href="#205">205</a>             <em class="jxr_comment">// return all the keys under the context found</em>
<a class="jxr_linenumber" name="206" href="#206">206</a>             Set&lt;String&gt; keys = <strong class="jxr_keyword">new</strong> HashSet&lt;String&gt;();
<a class="jxr_linenumber" name="207" href="#207">207</a>             <strong class="jxr_keyword">if</strong> (context != <strong class="jxr_keyword">null</strong>)
<a class="jxr_linenumber" name="208" href="#208">208</a>             {
<a class="jxr_linenumber" name="209" href="#209">209</a>                 recursiveGetKeys(keys, context, prefix, <strong class="jxr_keyword">new</strong> HashSet&lt;Context&gt;());
<a class="jxr_linenumber" name="210" href="#210">210</a>             }
<a class="jxr_linenumber" name="211" href="#211">211</a>             <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (containsKey(prefix))
<a class="jxr_linenumber" name="212" href="#212">212</a>             {
<a class="jxr_linenumber" name="213" href="#213">213</a>                 <em class="jxr_comment">// add the prefix if it matches exactly a property key</em>
<a class="jxr_linenumber" name="214" href="#214">214</a>                 keys.add(prefix);
<a class="jxr_linenumber" name="215" href="#215">215</a>             }
<a class="jxr_linenumber" name="216" href="#216">216</a> 
<a class="jxr_linenumber" name="217" href="#217">217</a>             <strong class="jxr_keyword">return</strong> keys.iterator();
<a class="jxr_linenumber" name="218" href="#218">218</a>         }
<a class="jxr_linenumber" name="219" href="#219">219</a>         <strong class="jxr_keyword">catch</strong> (NameNotFoundException e)
<a class="jxr_linenumber" name="220" href="#220">220</a>         {
<a class="jxr_linenumber" name="221" href="#221">221</a>             <em class="jxr_comment">// expected exception, no need to log it</em>
<a class="jxr_linenumber" name="222" href="#222">222</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;().iterator();
<a class="jxr_linenumber" name="223" href="#223">223</a>         }
<a class="jxr_linenumber" name="224" href="#224">224</a>         <strong class="jxr_keyword">catch</strong> (NamingException e)
<a class="jxr_linenumber" name="225" href="#225">225</a>         {
<a class="jxr_linenumber" name="226" href="#226">226</a>             fireError(EVENT_READ_PROPERTY, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>, e);
<a class="jxr_linenumber" name="227" href="#227">227</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;().iterator();
<a class="jxr_linenumber" name="228" href="#228">228</a>         }
<a class="jxr_linenumber" name="229" href="#229">229</a>     }
<a class="jxr_linenumber" name="230" href="#230">230</a> 
<a class="jxr_linenumber" name="231" href="#231">231</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment">     * Because JNDI is based on a tree configuration, we need to filter down the</em>
<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment">     * tree, till we find the Context specified by the key to start from.</em>
<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment">     * Otherwise return null.</em>
<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment">     * @param path     the path of keys to traverse in order to find the context</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     * @param context  the context to start from</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     * @return The context at that key's location in the JNDI tree, or null if not found</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     * @throws NamingException if JNDI has an issue</em>
<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="241" href="#241">241</a>     <strong class="jxr_keyword">private</strong> Context getContext(List&lt;String&gt; path, Context context) <strong class="jxr_keyword">throws</strong> NamingException
<a class="jxr_linenumber" name="242" href="#242">242</a>     {
<a class="jxr_linenumber" name="243" href="#243">243</a>         <em class="jxr_comment">// return the current context if the path is empty</em>
<a class="jxr_linenumber" name="244" href="#244">244</a>         <strong class="jxr_keyword">if</strong> (path == <strong class="jxr_keyword">null</strong> || path.isEmpty())
<a class="jxr_linenumber" name="245" href="#245">245</a>         {
<a class="jxr_linenumber" name="246" href="#246">246</a>             <strong class="jxr_keyword">return</strong> context;
<a class="jxr_linenumber" name="247" href="#247">247</a>         }
<a class="jxr_linenumber" name="248" href="#248">248</a> 
<a class="jxr_linenumber" name="249" href="#249">249</a>         String key = path.get(0);
<a class="jxr_linenumber" name="250" href="#250">250</a> 
<a class="jxr_linenumber" name="251" href="#251">251</a>         <em class="jxr_comment">// search a context matching the key in the context's elements</em>
<a class="jxr_linenumber" name="252" href="#252">252</a>         NamingEnumeration&lt;NameClassPair&gt; elements = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="253" href="#253">253</a> 
<a class="jxr_linenumber" name="254" href="#254">254</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="255" href="#255">255</a>         {
<a class="jxr_linenumber" name="256" href="#256">256</a>             elements = context.list(<span class="jxr_string">""</span>);
<a class="jxr_linenumber" name="257" href="#257">257</a>             <strong class="jxr_keyword">while</strong> (elements.hasMore())
<a class="jxr_linenumber" name="258" href="#258">258</a>             {
<a class="jxr_linenumber" name="259" href="#259">259</a>                 NameClassPair nameClassPair = elements.next();
<a class="jxr_linenumber" name="260" href="#260">260</a>                 String name = nameClassPair.getName();
<a class="jxr_linenumber" name="261" href="#261">261</a>                 Object object = context.lookup(name);
<a class="jxr_linenumber" name="262" href="#262">262</a> 
<a class="jxr_linenumber" name="263" href="#263">263</a>                 <strong class="jxr_keyword">if</strong> (object instanceof Context &amp;&amp; name.equals(key))
<a class="jxr_linenumber" name="264" href="#264">264</a>                 {
<a class="jxr_linenumber" name="265" href="#265">265</a>                     Context subcontext = (Context) object;
<a class="jxr_linenumber" name="266" href="#266">266</a> 
<a class="jxr_linenumber" name="267" href="#267">267</a>                     <em class="jxr_comment">// recursive search in the sub context</em>
<a class="jxr_linenumber" name="268" href="#268">268</a>                     <strong class="jxr_keyword">return</strong> getContext(path.subList(1, path.size()), subcontext);
<a class="jxr_linenumber" name="269" href="#269">269</a>                 }
<a class="jxr_linenumber" name="270" href="#270">270</a>             }
<a class="jxr_linenumber" name="271" href="#271">271</a>         }
<a class="jxr_linenumber" name="272" href="#272">272</a>         <strong class="jxr_keyword">finally</strong>
<a class="jxr_linenumber" name="273" href="#273">273</a>         {
<a class="jxr_linenumber" name="274" href="#274">274</a>             <strong class="jxr_keyword">if</strong> (elements != <strong class="jxr_keyword">null</strong>)
<a class="jxr_linenumber" name="275" href="#275">275</a>             {
<a class="jxr_linenumber" name="276" href="#276">276</a>                 elements.close();
<a class="jxr_linenumber" name="277" href="#277">277</a>             }
<a class="jxr_linenumber" name="278" href="#278">278</a>         }
<a class="jxr_linenumber" name="279" href="#279">279</a> 
<a class="jxr_linenumber" name="280" href="#280">280</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="281" href="#281">281</a>     }
<a class="jxr_linenumber" name="282" href="#282">282</a> 
<a class="jxr_linenumber" name="283" href="#283">283</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment">     * Returns a flag whether this configuration is empty.</em>
<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment">     * @return the empty flag</em>
<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="288" href="#288">288</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isEmpty()
<a class="jxr_linenumber" name="289" href="#289">289</a>     {
<a class="jxr_linenumber" name="290" href="#290">290</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="291" href="#291">291</a>         {
<a class="jxr_linenumber" name="292" href="#292">292</a>             NamingEnumeration&lt;NameClassPair&gt; enumeration = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="293" href="#293">293</a> 
<a class="jxr_linenumber" name="294" href="#294">294</a>             <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="295" href="#295">295</a>             {
<a class="jxr_linenumber" name="296" href="#296">296</a>                 enumeration = getBaseContext().list(<span class="jxr_string">""</span>);
<a class="jxr_linenumber" name="297" href="#297">297</a>                 <strong class="jxr_keyword">return</strong> !enumeration.hasMore();
<a class="jxr_linenumber" name="298" href="#298">298</a>             }
<a class="jxr_linenumber" name="299" href="#299">299</a>             <strong class="jxr_keyword">finally</strong>
<a class="jxr_linenumber" name="300" href="#300">300</a>             {
<a class="jxr_linenumber" name="301" href="#301">301</a>                 <em class="jxr_comment">// close the enumeration</em>
<a class="jxr_linenumber" name="302" href="#302">302</a>                 <strong class="jxr_keyword">if</strong> (enumeration != <strong class="jxr_keyword">null</strong>)
<a class="jxr_linenumber" name="303" href="#303">303</a>                 {
<a class="jxr_linenumber" name="304" href="#304">304</a>                     enumeration.close();
<a class="jxr_linenumber" name="305" href="#305">305</a>                 }
<a class="jxr_linenumber" name="306" href="#306">306</a>             }
<a class="jxr_linenumber" name="307" href="#307">307</a>         }
<a class="jxr_linenumber" name="308" href="#308">308</a>         <strong class="jxr_keyword">catch</strong> (NamingException e)
<a class="jxr_linenumber" name="309" href="#309">309</a>         {
<a class="jxr_linenumber" name="310" href="#310">310</a>             fireError(EVENT_READ_PROPERTY, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>, e);
<a class="jxr_linenumber" name="311" href="#311">311</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="312" href="#312">312</a>         }
<a class="jxr_linenumber" name="313" href="#313">313</a>     }
<a class="jxr_linenumber" name="314" href="#314">314</a> 
<a class="jxr_linenumber" name="315" href="#315">315</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="316" href="#316">316</a> <em class="jxr_javadoccomment">     * &lt;p&gt;&lt;strong&gt;This operation is not supported and will throw an</em>
<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment">     * UnsupportedOperationException.&lt;/strong&gt;&lt;/p&gt;</em>
<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment">     * @param key the key</em>
<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment">     * @param value the value</em>
<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment">     * @throws UnsupportedOperationException</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="323" href="#323">323</a>     @Override
<a class="jxr_linenumber" name="324" href="#324">324</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setProperty(String key, Object value)
<a class="jxr_linenumber" name="325" href="#325">325</a>     {
<a class="jxr_linenumber" name="326" href="#326">326</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException(<span class="jxr_string">"This operation is not supported"</span>);
<a class="jxr_linenumber" name="327" href="#327">327</a>     }
<a class="jxr_linenumber" name="328" href="#328">328</a> 
<a class="jxr_linenumber" name="329" href="#329">329</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment">     * Removes the specified property.</em>
<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment">     * @param key the key of the property to remove</em>
<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="334" href="#334">334</a>     @Override
<a class="jxr_linenumber" name="335" href="#335">335</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearProperty(String key)
<a class="jxr_linenumber" name="336" href="#336">336</a>     {
<a class="jxr_linenumber" name="337" href="#337">337</a>         clearedProperties.add(key);
<a class="jxr_linenumber" name="338" href="#338">338</a>     }
<a class="jxr_linenumber" name="339" href="#339">339</a> 
<a class="jxr_linenumber" name="340" href="#340">340</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="341" href="#341">341</a> <em class="jxr_javadoccomment">     * Checks whether the specified key is contained in this configuration.</em>
<a class="jxr_linenumber" name="342" href="#342">342</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="343" href="#343">343</a> <em class="jxr_javadoccomment">     * @param key the key to check</em>
<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_javadoccomment">     * @return a flag whether this key is stored in this configuration</em>
<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="346" href="#346">346</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> containsKey(String key)
<a class="jxr_linenumber" name="347" href="#347">347</a>     {
<a class="jxr_linenumber" name="348" href="#348">348</a>         <strong class="jxr_keyword">if</strong> (clearedProperties.contains(key))
<a class="jxr_linenumber" name="349" href="#349">349</a>         {
<a class="jxr_linenumber" name="350" href="#350">350</a>             <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="351" href="#351">351</a>         }
<a class="jxr_linenumber" name="352" href="#352">352</a>         key = key.replaceAll(<span class="jxr_string">"&#92;&#92;."</span>, <span class="jxr_string">"/"</span>);
<a class="jxr_linenumber" name="353" href="#353">353</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="354" href="#354">354</a>         {
<a class="jxr_linenumber" name="355" href="#355">355</a>             <em class="jxr_comment">// throws a NamingException if JNDI doesn't contain the key.</em>
<a class="jxr_linenumber" name="356" href="#356">356</a>             getBaseContext().lookup(key);
<a class="jxr_linenumber" name="357" href="#357">357</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="358" href="#358">358</a>         }
<a class="jxr_linenumber" name="359" href="#359">359</a>         <strong class="jxr_keyword">catch</strong> (NameNotFoundException e)
<a class="jxr_linenumber" name="360" href="#360">360</a>         {
<a class="jxr_linenumber" name="361" href="#361">361</a>             <em class="jxr_comment">// expected exception, no need to log it</em>
<a class="jxr_linenumber" name="362" href="#362">362</a>             <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="363" href="#363">363</a>         }
<a class="jxr_linenumber" name="364" href="#364">364</a>         <strong class="jxr_keyword">catch</strong> (NamingException e)
<a class="jxr_linenumber" name="365" href="#365">365</a>         {
<a class="jxr_linenumber" name="366" href="#366">366</a>             fireError(EVENT_READ_PROPERTY, key, <strong class="jxr_keyword">null</strong>, e);
<a class="jxr_linenumber" name="367" href="#367">367</a>             <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="368" href="#368">368</a>         }
<a class="jxr_linenumber" name="369" href="#369">369</a>     }
<a class="jxr_linenumber" name="370" href="#370">370</a> 
<a class="jxr_linenumber" name="371" href="#371">371</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="372" href="#372">372</a> <em class="jxr_javadoccomment">     * Returns the prefix.</em>
<a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_javadoccomment">     * @return the prefix</em>
<a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="375" href="#375">375</a>     <strong class="jxr_keyword">public</strong> String getPrefix()
<a class="jxr_linenumber" name="376" href="#376">376</a>     {
<a class="jxr_linenumber" name="377" href="#377">377</a>         <strong class="jxr_keyword">return</strong> prefix;
<a class="jxr_linenumber" name="378" href="#378">378</a>     }
<a class="jxr_linenumber" name="379" href="#379">379</a> 
<a class="jxr_linenumber" name="380" href="#380">380</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="381" href="#381">381</a> <em class="jxr_javadoccomment">     * Sets the prefix.</em>
<a class="jxr_linenumber" name="382" href="#382">382</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="383" href="#383">383</a> <em class="jxr_javadoccomment">     * @param prefix The prefix to set</em>
<a class="jxr_linenumber" name="384" href="#384">384</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="385" href="#385">385</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setPrefix(String prefix)
<a class="jxr_linenumber" name="386" href="#386">386</a>     {
<a class="jxr_linenumber" name="387" href="#387">387</a>         <strong class="jxr_keyword">this</strong>.prefix = prefix;
<a class="jxr_linenumber" name="388" href="#388">388</a> 
<a class="jxr_linenumber" name="389" href="#389">389</a>         <em class="jxr_comment">// clear the previous baseContext</em>
<a class="jxr_linenumber" name="390" href="#390">390</a>         baseContext = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="391" href="#391">391</a>     }
<a class="jxr_linenumber" name="392" href="#392">392</a> 
<a class="jxr_linenumber" name="393" href="#393">393</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment">     * Returns the value of the specified property.</em>
<a class="jxr_linenumber" name="395" href="#395">395</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="396" href="#396">396</a> <em class="jxr_javadoccomment">     * @param key the key of the property</em>
<a class="jxr_linenumber" name="397" href="#397">397</a> <em class="jxr_javadoccomment">     * @return the value of this property</em>
<a class="jxr_linenumber" name="398" href="#398">398</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="399" href="#399">399</a>     <strong class="jxr_keyword">public</strong> Object getProperty(String key)
<a class="jxr_linenumber" name="400" href="#400">400</a>     {
<a class="jxr_linenumber" name="401" href="#401">401</a>         <strong class="jxr_keyword">if</strong> (clearedProperties.contains(key))
<a class="jxr_linenumber" name="402" href="#402">402</a>         {
<a class="jxr_linenumber" name="403" href="#403">403</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="404" href="#404">404</a>         }
<a class="jxr_linenumber" name="405" href="#405">405</a> 
<a class="jxr_linenumber" name="406" href="#406">406</a>         <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="407" href="#407">407</a>         {
<a class="jxr_linenumber" name="408" href="#408">408</a>             key = key.replaceAll(<span class="jxr_string">"&#92;&#92;."</span>, <span class="jxr_string">"/"</span>);
<a class="jxr_linenumber" name="409" href="#409">409</a>             <strong class="jxr_keyword">return</strong> getBaseContext().lookup(key);
<a class="jxr_linenumber" name="410" href="#410">410</a>         }
<a class="jxr_linenumber" name="411" href="#411">411</a>         <strong class="jxr_keyword">catch</strong> (NameNotFoundException e)
<a class="jxr_linenumber" name="412" href="#412">412</a>         {
<a class="jxr_linenumber" name="413" href="#413">413</a>             <em class="jxr_comment">// expected exception, no need to log it</em>
<a class="jxr_linenumber" name="414" href="#414">414</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="415" href="#415">415</a>         }
<a class="jxr_linenumber" name="416" href="#416">416</a>         <strong class="jxr_keyword">catch</strong> (NotContextException nctxex)
<a class="jxr_linenumber" name="417" href="#417">417</a>         {
<a class="jxr_linenumber" name="418" href="#418">418</a>             <em class="jxr_comment">// expected exception, no need to log it</em>
<a class="jxr_linenumber" name="419" href="#419">419</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="420" href="#420">420</a>         }
<a class="jxr_linenumber" name="421" href="#421">421</a>         <strong class="jxr_keyword">catch</strong> (NamingException e)
<a class="jxr_linenumber" name="422" href="#422">422</a>         {
<a class="jxr_linenumber" name="423" href="#423">423</a>             fireError(EVENT_READ_PROPERTY, key, <strong class="jxr_keyword">null</strong>, e);
<a class="jxr_linenumber" name="424" href="#424">424</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="425" href="#425">425</a>         }
<a class="jxr_linenumber" name="426" href="#426">426</a>     }
<a class="jxr_linenumber" name="427" href="#427">427</a> 
<a class="jxr_linenumber" name="428" href="#428">428</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_javadoccomment">     * &lt;p&gt;&lt;strong&gt;This operation is not supported and will throw an</em>
<a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_javadoccomment">     * UnsupportedOperationException.&lt;/strong&gt;&lt;/p&gt;</em>
<a class="jxr_linenumber" name="431" href="#431">431</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="432" href="#432">432</a> <em class="jxr_javadoccomment">     * @param key the key</em>
<a class="jxr_linenumber" name="433" href="#433">433</a> <em class="jxr_javadoccomment">     * @param obj the value</em>
<a class="jxr_linenumber" name="434" href="#434">434</a> <em class="jxr_javadoccomment">     * @throws UnsupportedOperationException</em>
<a class="jxr_linenumber" name="435" href="#435">435</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="436" href="#436">436</a>     @Override
<a class="jxr_linenumber" name="437" href="#437">437</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> addPropertyDirect(String key, Object obj)
<a class="jxr_linenumber" name="438" href="#438">438</a>     {
<a class="jxr_linenumber" name="439" href="#439">439</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException(<span class="jxr_string">"This operation is not supported"</span>);
<a class="jxr_linenumber" name="440" href="#440">440</a>     }
<a class="jxr_linenumber" name="441" href="#441">441</a> 
<a class="jxr_linenumber" name="442" href="#442">442</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="443" href="#443">443</a> <em class="jxr_javadoccomment">     * Return the base context with the prefix applied.</em>
<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="445" href="#445">445</a> <em class="jxr_javadoccomment">     * @return the base context</em>
<a class="jxr_linenumber" name="446" href="#446">446</a> <em class="jxr_javadoccomment">     * @throws NamingException if an error occurs</em>
<a class="jxr_linenumber" name="447" href="#447">447</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="448" href="#448">448</a>     <strong class="jxr_keyword">public</strong> Context getBaseContext() <strong class="jxr_keyword">throws</strong> NamingException
<a class="jxr_linenumber" name="449" href="#449">449</a>     {
<a class="jxr_linenumber" name="450" href="#450">450</a>         <strong class="jxr_keyword">if</strong> (baseContext == <strong class="jxr_keyword">null</strong>)
<a class="jxr_linenumber" name="451" href="#451">451</a>         {
<a class="jxr_linenumber" name="452" href="#452">452</a>             baseContext = (Context) getContext().lookup(prefix == <strong class="jxr_keyword">null</strong> ? <span class="jxr_string">""</span> : prefix);
<a class="jxr_linenumber" name="453" href="#453">453</a>         }
<a class="jxr_linenumber" name="454" href="#454">454</a> 
<a class="jxr_linenumber" name="455" href="#455">455</a>         <strong class="jxr_keyword">return</strong> baseContext;
<a class="jxr_linenumber" name="456" href="#456">456</a>     }
<a class="jxr_linenumber" name="457" href="#457">457</a> 
<a class="jxr_linenumber" name="458" href="#458">458</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="459" href="#459">459</a> <em class="jxr_javadoccomment">     * Return the initial context used by this configuration. This context is</em>
<a class="jxr_linenumber" name="460" href="#460">460</a> <em class="jxr_javadoccomment">     * independent of the prefix specified.</em>
<a class="jxr_linenumber" name="461" href="#461">461</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="462" href="#462">462</a> <em class="jxr_javadoccomment">     * @return the initial context</em>
<a class="jxr_linenumber" name="463" href="#463">463</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="464" href="#464">464</a>     <strong class="jxr_keyword">public</strong> Context getContext()
<a class="jxr_linenumber" name="465" href="#465">465</a>     {
<a class="jxr_linenumber" name="466" href="#466">466</a>         <strong class="jxr_keyword">return</strong> context;
<a class="jxr_linenumber" name="467" href="#467">467</a>     }
<a class="jxr_linenumber" name="468" href="#468">468</a> 
<a class="jxr_linenumber" name="469" href="#469">469</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="470" href="#470">470</a> <em class="jxr_javadoccomment">     * Set the initial context of the configuration.</em>
<a class="jxr_linenumber" name="471" href="#471">471</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="472" href="#472">472</a> <em class="jxr_javadoccomment">     * @param context the context</em>
<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="474" href="#474">474</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setContext(Context context)
<a class="jxr_linenumber" name="475" href="#475">475</a>     {
<a class="jxr_linenumber" name="476" href="#476">476</a>         <em class="jxr_comment">// forget the removed properties</em>
<a class="jxr_linenumber" name="477" href="#477">477</a>         clearedProperties.clear();
<a class="jxr_linenumber" name="478" href="#478">478</a> 
<a class="jxr_linenumber" name="479" href="#479">479</a>         <em class="jxr_comment">// change the context</em>
<a class="jxr_linenumber" name="480" href="#480">480</a>         <strong class="jxr_keyword">this</strong>.context = context;
<a class="jxr_linenumber" name="481" href="#481">481</a>     }
<a class="jxr_linenumber" name="482" href="#482">482</a> }
</pre>
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